Aevum

//ˈiːvəm// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The temporal mode of existence between time and eternity, said to be experienced by angels, saints, and celestial bodies (which medieval astronomy believed to be unchanging). uncountable

Etymology

Learned borrowing from Latin aevum (“temporal mode of existence between time and eternity”). Doublet of aeviternity and aye.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.